1__DEV_GET_BY_INDEX(9) Network device support __DEV_GET_BY_INDEX(9)
2
3
4
6 __dev_get_by_index - find a device by its ifindex
7
9 struct net_device * __dev_get_by_index(struct net * net, int ifindex);
10
12 net
13 the applicable net namespace
14
15 ifindex
16 index of device
17
19 Search for an interface by index. Returns NULL if the device is not
20 found or a pointer to the device. The device has not had its reference
21 counter increased so the caller must be careful about locking. The
22 caller must hold either the RTNL semaphore or dev_base_lock.
23
25Kernel Hackers Manual 3.10 June 2019 __DEV_GET_BY_INDEX(9)